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EN 1.4482 Stainless Steel vs. EN 1.4451 Stainless Steel

Both EN 1.4482 stainless steel and EN 1.4451 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4482 stainless steel and the bottom bar is EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
25
Fatigue Strength, MPa 420 to 450
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 770 to 800
750
Tensile Strength: Yield (Proof), MPa 530 to 570
540

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 38
53
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 24
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 250
170
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 820
710
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 29
27
Strength to Weight: Bending, points 24 to 25
23
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 21 to 22
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19.5 to 21.5
25 to 27
Copper (Cu), % 0 to 1.0
2.8 to 3.5
Iron (Fe), % 66.1 to 74.9
56.2 to 64.6
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 0.1 to 0.6
2.5 to 3.5
Nickel (Ni), % 1.5 to 3.5
5.0 to 7.0
Nitrogen (N), % 0.050 to 0.2
0.12 to 0.22
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025